Finding the Fourth Proportional to 845,727.12, 1,167,715.92 and 544,446
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Solution
The fourth proportional to 845,727.12, 1,167,715.92 and 544,446 is: 751,729.78
Step by Step Solution
- Step 1: Write the proportion equation
845,727.12 : 1,167,715.92 = 544,446 : x - Step 2: Convert to fraction form
845,727.12/1,167,715.92 = 544,446/x - Step 3: Cross multiply
845,727.12x = 1,167,715.92 × 544,446 - Step 4: Simplify right side
845,727.12x = 635,758,261,780.32 - Step 5: Solve for x
x = 635,758,261,780.32/845,727.12 - Step 6: Final answer
x = 751,729.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.